package STUDENT.TRANVANCHI;

import java.util.Scanner;

public class baitap1 {

	public static void main(String[] args) {
		double a;
		double b;
		double tong, hieu,tich;
		double thuong;
		
		
		Scanner sc= new Scanner (System.in);
		System.out.println("-a-:");
		a= sc.nextInt();
		//a= Double.parseDouble();
		System.out.println("-b-:");
		b=sc.nextInt();
		tong=a+b;
		hieu=a-b;
		 thuong= a/b;
		tich=a*b;
		
		System.out.println("--a+b: "+tong);
		System.out.println("--a-b: "+hieu);
		System.out.println("--a/b: "+thuong);
		System.out.println("--a*b: "+tich);
		
		

	}

}
